Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
theo chu » theo chieu, cho chu, chao chu
toan cau » toan cao, toan ban, toan tap
hanh va » hang va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (theo chu)) xanh - doanh ((hanh va) OR (hanh vi)) dung cong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (theo chu)) xanh - doanh ((hanh va) OR (hanh vi)) dung cong thanh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (theo chu)) xanh - doanh ((hanh va) OR (hanh vi)) dung cong thanh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (theo chu)) xanh - doanh ((hanh va) OR (hanh vi)) dung cong thanh toan cau*.